5 Define the following.
a. Reflection of light
b. Lateral inversion
c. Reflected ray
d. Point of incidence
e. Colour addition
Answers
Answer:
a) Reflection is the change in direction of a wavefront at an interface between two different media so that the wavefront returns into the medium from which it originated.
b) Lateral inversion is a phenomenon in which left appears to be right and vice versa. It is due to direction that light follows when it strikes a reflecting surface, generally a mirror.
c) the incident ray bouncing back in the same medium after striking the reflecting surface is called reflected ray. Angle of incidence - the angle form between the incident ray and the normal is the angle of incidence.
d) The point on the surface where the incident ray strikes the surface is called the point of incidence. Reflected ray: The ray of light that bounces back from the surface of an object is called a reflected ray of light.
e) The production of various colors of light by the mixing of the three primary colors of light is known as color addition. The color addition principles discussed on this page can be used to make predictions of the colors that would result when different colored lights are mixed.
Answer:
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